%YAML 1.2
---
# http://www.sublimetext.com/docs/3/syntax.html
name: Objective-C++
file_extensions:
  - mm
  - M
  - h
scope: source.objc++
variables:
  identifier: '\b[[:alpha:]_][[:alnum:]_]*\b'
  path_lookahead: '(::\s*)?(?:{{identifier}}\s*::\s*)*{{identifier}}'
  macro_identifier: '\b[[:upper:]_][[:upper:][:digit:]_]*\b'
  operator_method_name: '\boperator\s*(?:[-+*/%ˆ&|~!=<>]|[-+*/%^&|=!<>]=|<<=?|>>=?|&&|\|\||\+\+|--|,|->\*?|\(\)|\[\]|""\s*{{identifier}})'
  casts: 'const_cast|dynamic_cast|reinterpret_cast|static_cast'
  operator_keywords: 'and|and_eq|bitand|bitor|compl|not|not_eq|or|or_eq|xor|xor_eq|noexcept'
  control_keywords: 'break|case|catch|continue|default|do|else|for|goto|if|_Pragma|return|switch|throw|try|while'
  memory_operators: 'new|delete'
  basic_types: 'asm|__asm__|auto|bool|_Bool|char|_Complex|double|float|_Imaginary|int|long|short|signed|unsigned|void'
  before_tag: 'struct|union|enum\s+class|enum\s+struct|enum|class'
  declspec: '__declspec\(\s*\w+(?:\([^)]+\))?\s*\)'
  storage_classes: 'static|export|extern|friend|explicit|virtual|register|thread_local'
  type_qualifier: 'const|constexpr|mutable|typename|volatile'
  compiler_directive: 'inline|restrict|__restrict__|__restrict'
  visibility_modifiers: 'private|protected|public'
  other_keywords: 'typedef|decltype|nullptr|{{visibility_modifiers}}|static_assert|sizeof|using|typeid|alignof|alignas|namespace|template'
  modifiers: '{{storage_classes}}|{{type_qualifier}}|{{compiler_directive}}'
  non_angle_brackets: '(?=<<|<=)'
  generic_lookahead: '<(?:\s*(?:{{path_lookahead}}|\d+)(?:{{path_lookahead}}|&(?!&)|\*|,|\.|<.*?>|\s|\d)*)?>'
  data_structures_forward_decl_lookahead: '(\s+{{macro_identifier}})*\s*(:\s*({{path_lookahead}}|{{visibility_modifiers}}|,|\s|<[^;]*>)+)?;'
  non_func_keywords: 'if|for|switch|while|decltype|sizeof|__declspec|__attribute__|typeid|alignof|alignas'

contexts:
  main:
    - include: preprocessor-global
    - include: global

  ## Common context layout

  global:
    - include: preprocessor-expressions
    - match: '(?=\btemplate\b)'
      push:
        - include: template
        - match: (?=\S)
          set: global-modifier
    - include: namespace
    - include: keywords-angle-brackets
    - match: '(?={{path_lookahead}}\s*<)'
      push: global-modifier
    - include: objc-structures
    - include: early-expressions
    - match: ^\s*\b(extern)(?=\s+"C(\+\+)?")
      scope: storage.modifier.objc++
      push:
        - include: comments
        - include: strings
        - match: '\{'
          scope: punctuation.section.block.begin.objc++
          set:
            - meta_scope: meta.extern-c.objc++
            - match: '^\s*(#\s*ifdef)\s*__cplusplus\s*'
              scope: meta.preprocessor.objc++
              captures:
                1: keyword.control.import.objc++
              set:
                - match: '\}'
                  scope: punctuation.section.block.end.objc++
                  pop: true
                - include: preprocessor-global
                - include: global
            - match: '\}'
              scope: punctuation.section.block.end.objc++
              pop: true
            - include: preprocessor-global
            - include: global
        - match: (?=\S)
          set: global-modifier
    - match: '^\s*(?=\w+)'
      push: global-modifier
    - include: late-expressions

  statements:
    - include: preprocessor-statements
    - include: preprocessor-expressions
    - include: scope:source.c#label
    - include: expressions

  expressions:
    - include: early-expressions
    - include: late-expressions

  early-expressions:
    - include: early-expressions-before-generic-type
    - include: generic-type
    - include: early-expressions-after-generic-type

  early-expressions-before-generic-type:
    - include: comments
    - include: case-default
    - include: typedef
    - include: keywords-angle-brackets
    - include: keywords-parens
    - include: keywords
    - include: numbers

  early-expressions-after-generic-type:
    - include: members
    - include: operators
    - include: strings
    - include: parens
    - include: block
    - include: variables
    - include: constants
    - match: ','
      scope: punctuation.separator.objc++
    - match: '\)|\}'
      scope: invalid.illegal.stray-bracket-end.objc++
    - include: bracketed-content
    - include: brackets

  expressions-minus-generic-type:
    - include: early-expressions-before-generic-type
    - include: angle-brackets
    - include: early-expressions-after-generic-type
    - include: late-expressions

  expressions-minus-generic-type-function-call:
    - include: early-expressions-before-generic-type
    - include: angle-brackets
    - include: early-expressions-after-generic-type
    - include: late-expressions-before-function-call
    - include: scope:source.c++#identifiers
    - match: ';'
      scope: punctuation.terminator.objc++

  late-expressions:
    - include: late-expressions-before-function-call
    - include: function-call
    - include: scope:source.c++#identifiers
    - match: ';'
      scope: punctuation.terminator.objc++

  late-expressions-before-function-call:
    - include: scope:source.c++#unique-late-expressions
    - include: modifiers-parens
    - include: modifiers
    - include: types

  expressions-minus-function-call:
    - include: early-expressions
    - include: late-expressions-before-function-call
    - include: scope:source.c++#identifiers
    - match: ';'
      scope: punctuation.terminator.objc++

  comments:
    - include: scope:source.c#comments

  operators:
    - include: scope:source.c#operators

  modifiers:
    - include: scope:source.objc#unique-modifiers
    - include: scope:source.c++#unique-modifiers
    - include: scope:source.c#modifiers

  variables:
    - include: scope:source.objc#unique-variables
    - include: scope:source.c++#unique-variables
    - include: scope:source.c#variables

  constants:
    - include: scope:source.objc#unique-constants
    - match: '(?=\bNS\w+\b)'
      push: scope:source.objc#ns-identifiers
    - include: scope:source.c++#unique-constants
    - include: scope:source.c#constants

  keywords:
    - include: scope:source.objc#unique-keywords
    - include: scope:source.c++#unique-keywords
    - include: scope:source.c#keywords

  types:
    - include: scope:source.objc#unique-types
    - match: '(?=\bNS\w+\b)'
      push: scope:source.objc#ns-identifiers
    - include: scope:source.c++#unique-types
    - include: types-parens
    - include: scope:source.c#types

  strings:
    - include: scope:source.objc#unique-strings
    - include: scope:source.c++#unique-strings
    - include: scope:source.c#strings

  numbers:
    - include: scope:source.c++#unique-numbers
    - include: scope:source.c#numbers

  ##########################################
  # Directly from Objective-C.sublime-syntax
  ##########################################

  bracketed-content:
    - match: '(\[)\s*(?={{identifier}}\s+[^\s,])'
      captures:
        1: punctuation.section.scope.begin.objc++
      push:
        - meta_scope: meta.bracketed.objc++
        - match: '\]'
          scope: punctuation.section.scope.end.objc++
          pop: true
        - match: \s*(NSPredicate)\s+(predicateWithFormat(:))
          captures:
            1: support.class.cocoa.objc++
            2: support.function.any-method.objc++
            3: punctuation.separator.arguments.objc++
          push:
            - meta_scope: meta.function-call.predicate.objc++
            - include: scope:source.objc#ns-predicate
            - include: expressions
        - match: '\s+(\w+)(?=\s*\])'
          captures:
            1: support.function.any-method.objc++
        - match: '\s+(\w+(:))'
          captures:
            1: support.function.any-method.objc++
            2: punctuation.separator.arguments.objc++
          push:
            - meta_scope: meta.function-call.objc++
            - match: '(?=\])'
              pop: true
            - match: \b\w+(:)
              scope: support.function.any-method.name-of-parameter.objc++
              captures:
                1: punctuation.separator.arguments.objc++
            - include: expressions
        - include: expressions

  objc-structures:
    - match: '((@)(interface|protocol))(?!.+;)\s+([[:alpha:]_][[:alnum:]_]*)\s*((:)(?:\s*)([[:alpha:]][[:alnum:]]*))?(\s|\n)?'
      captures:
        1: storage.type.objc++
        2: punctuation.definition.storage.type.objc++
        4: entity.name.type.objc++
        6: punctuation.definition.entity.other.inherited-class.objc++
        7: entity.other.inherited-class.objc++
        8: meta.divider.objc++
        9: meta.inherited-class.objc++
      push:
        - meta_scope: meta.interface-or-protocol.objc++
        - meta_content_scope: meta.scope.interface.objc++
        - match: ((@)end)\b
          captures:
            1: storage.type.objc++
            2: punctuation.definition.storage.type.objc++
          pop: true
        - include: preprocessor-objc-structures
        - include: objc-structure-body
    - match: '((@)(implementation))\s+([[:alpha:]_][[:alnum:]_]*)\s*(?::\s*([[:alpha:]][[:alnum:]]*))?'
      captures:
        1: storage.type.objc++
        2: punctuation.definition.storage.type.objc++
        4: entity.name.type.objc++
        5: entity.other.inherited-class.objc++
      push:
        - meta_scope: meta.implementation.objc++
        - meta_content_scope: meta.scope.implementation.objc++
        - match: ((@)end)\b
          captures:
            1: storage.type.objc++
            2: punctuation.definition.storage.type.objc++
          pop: true
        - include: preprocessor-objc-structures
        - include: objc-structure-body

  objc-structure-body:
    - include: scope:source.objc#properties
    - include: scope:source.objc#protocol_list
    - include: method
    - include: expressions

  method:
    - match: ^(-|\+)\s*
      push:
        - meta_scope: meta.function.objc++
        - match: '\{'
          scope: punctuation.section.block.begin.objc++
          set:
            - meta_scope: meta.block.objc++
            - match: (?=^\s*#\s*(elif|else|endif)\b)
              pop: true
            - match: (?=@end\b)
              pop: true
            - match: '\}'
              scope: punctuation.section.block.end.objc++
              pop: true
            - include: statements
        - match: '(?=#|@end|;)'
          pop: true
        - match: '\('
          scope: meta.return-type.objc++ punctuation.definition.type.objc++
          push:
            - meta_scope: meta.return-type.objc++
            - match: (\))\s*(\w+\b)
              captures:
                1: punctuation.definition.type.objc++
                2: entity.name.function.objc++
              pop: true
            - include: scope:source.objc#protocol_list
            - include: scope:source.objc#protocol_type_qualifier
            - include: expressions
        - match: \b\w+(?=:)
          scope: entity.name.function.name-of-parameter.objc++
        - match: ((:))\s*(\()
          captures:
            1: entity.name.function.name-of-parameter.objc++
            2: punctuation.separator.arguments.objc++
            3: punctuation.definition.type.objc++
          push:
            - meta_scope: meta.argument-type.objc++
            - match: (\))\s*(\w+\b)?
              captures:
                1: punctuation.definition.type.objc++
                2: variable.parameter.function.objc++
              pop: true
            - include: scope:source.objc#protocol_list
            - include: scope:source.objc#protocol_type_qualifier
            - include: expressions
        - include: comments
        - match: '(,)\s+(\.\.\.)\s*'
          captures:
            1: punctuation.separator.objc++
            2: keyword.operator.variadic.objc++
          push:
            - include: scope:source.c#function-call
            - match: '(?=\S)'
              pop: true

  ## Preprocessor for objc-structures

  preprocessor-objc-structures:
    - include: preprocessor-rule-enabled-objc-structures
    - include: preprocessor-rule-disabled-objc-structures

  preprocessor-rule-disabled-objc-structures:
    - match: ^\s*((#if)\s+(0))\b
      captures:
        1: meta.preprocessor.objc++
        2: keyword.control.import.objc++
        3: constant.numeric.preprocessor.objc++
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.objc++
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.else.objc++
          push:
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: negated-block
            - include: objc-structure-body
        - match: ""
          push:
            - meta_scope: comment.block.preprocessor.if-branch.objc++
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: scope:source.c#preprocessor-disabled

  preprocessor-rule-enabled-objc-structures:
    - match: ^\s*((#if)\s+(0*1))\b
      captures:
        1: meta.preprocessor.objc++
        2: keyword.control.import.objc++
        3: constant.numeric.preprocessor.objc++
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.objc++
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.else.objc++
          push:
            - meta_content_scope: comment.block.preprocessor.else-branch.objc++
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: scope:source.c#preprocessor-disabled
        - match: ""
          push:
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: negated-block
            - include: objc-structure-body

  ##################################
  # Directly from C++.sublime-syntax
  ##################################

  case-default:
    - match: '\b(default|case)\b'
      scope: keyword.control.objc++
      push:
        - match: (?=[);,])
          pop: true
        - match: ':'
          scope: punctuation.separator.objc++
          pop: true
        - include: expressions

  modifiers-parens:
    - match: '\b(alignas)\b\s*(\()'
      captures:
        1: storage.modifier.objc++
        2: meta.group.objc++ punctuation.section.group.begin.objc++
      push:
        - meta_content_scope: meta.group.objc++
        - match: '\)'
          scope: meta.group.objc++ punctuation.section.group.end.objc++
          pop: true
        - include: expressions
    - match: \b(__attribute__)\s*(\(\()
      captures:
        1: storage.modifier.objc++
        2: meta.group.objc++ punctuation.section.group.begin.objc++
      push :
        - meta_scope: meta.attribute.objc++
        - meta_content_scope: meta.group.objc++
        - include: parens
        - include: strings
        - match: \)\)
          scope: meta.group.objc++ punctuation.section.group.end.objc++
          pop: true
    - match: \b(__declspec)(\()
      captures:
        1: storage.modifier.objc++
        2: meta.group.objc++ punctuation.section.group.begin.objc++
      push:
        - meta_content_scope: meta.group.objc++
        - match: '\)'
          scope: meta.group.objc++ punctuation.section.group.end.objc++
          pop: true
        - match: '\b(align|allocate|code_seg|property|uuid)\b\s*(\()'
          captures:
            1: storage.modifier.objc++
            2: meta.group.objc++ punctuation.section.group.begin.objc++
          push:
            - meta_content_scope: meta.group.objc++
            - match: '\)'
              scope: meta.group.objc++ punctuation.section.group.end.objc++
              pop: true
            - include: numbers
            - include: strings
            - match: \b(get|put)\b
              scope: variable.parameter.objc++
            - match: ','
              scope: punctuation.separator.objc++
            - match: '='
              scope: keyword.operator.assignment.objc++
        - match: '\b(appdomain|deprecated|dllimport|dllexport|jintrinsic|naked|noalias|noinline|noreturn|nothrow|novtable|process|restrict|safebuffers|selectany|thread)\b'
          scope: constant.other.objc++

  types-parens:
    - match: '\b(decltype)\b\s*(\()'
      captures:
        1: storage.type.objc++
        2: meta.group.objc++ punctuation.section.group.begin.objc++
      push:
        - meta_content_scope: meta.group.objc++
        - match: '\)'
          scope: meta.group.objc++ punctuation.section.group.end.objc++
          pop: true
        - include: expressions

  keywords-angle-brackets:
    - match: \b({{casts}})\b\s*
      scope: keyword.operator.word.cast.objc++
      push:
        - match: '>'
          scope: punctuation.section.generic.end.objc++
          pop: true
        - match: '<'
          scope: punctuation.section.generic.begin.objc++
          push:
            - match: '(?=>)'
              pop: true
            - include: expressions-minus-generic-type-function-call

  keywords-parens:
    - match: '\b(alignof|typeid)\b\s*(\()'
      captures:
        1: keyword.operator.word.objc++
        2: meta.group.objc++ punctuation.section.group.begin.objc++
      push:
        - meta_content_scope: meta.group.objc++
        - match: '\)'
          scope: meta.group.objc++ punctuation.section.group.end.objc++
          pop: true
        - include: expressions
    - match: '\b(static_assert)\b\s*(\()'
      captures:
        1: keyword.operator.word.objc++
        2: meta.group.objc++ punctuation.section.group.begin.objc++
      push:
        - meta_content_scope: meta.group.objc++
        - match: '\)'
          scope: meta.group.objc++ punctuation.section.group.end.objc++
          pop: true
        - include: expressions
    - match: '\b(sizeof)\b\s*(\()'
      captures:
        1: keyword.operator.word.objc++
        2: meta.group.objc++ punctuation.section.group.begin.objc++
      push:
        - meta_content_scope: meta.group.objc++
        - match: '\)'
          scope: meta.group.objc++ punctuation.section.group.end.objc++
          pop: true
        - include: expressions

  namespace:
    - match: '\b(using)\s+(namespace)\s+(?={{path_lookahead}})'
      captures:
        1: keyword.control.objc++
        2: keyword.control.objc++
      push:
        - include: scope:source.c++#identifiers
        - match: ''
          pop: true
    - match: '\b(namespace)\s+(?=({{path_lookahead}})?(?!\s*[;,]))'
      scope: meta.namespace.objc++
      captures:
        1: keyword.control.objc++
      push:
        - meta_content_scope: meta.namespace.objc++ entity.name.namespace.objc++
        - include: scope:source.c++#identifiers
        - match: ''
          set:
            - meta_scope: meta.namespace.objc++
            - include: comments
            - match: '='
              scope: keyword.operator.alias.objc++
            - match: '(?=;)'
              pop: true
            - match: '\}'
              scope: meta.block.objc++ punctuation.section.block.end.objc++
              pop: true
            - match: '\{'
              scope: punctuation.section.block.begin.objc++
              push:
                - meta_scope: meta.block.objc++
                - match: '(?=\})'
                  pop: true
                - include: preprocessor-global
                - include: global
            - include: expressions

  template:
    - match: \b(template)\b\s*(<)
      captures:
        1: storage.type.template.objc++
        2: punctuation.section.generic.begin.objc++
      push:
        - meta_scope: meta.template.objc++
        # Exit the template scope if we hit some basic invalid characters.
        # This helps when a user is in the middle of typing their template
        # types and prevents re-highlighting the whole file until the next >
        # is found.
        - match: '(?=[{};])'
          pop: true
        - match: '(>)\s*'
          captures:
            1: punctuation.section.generic.end.objc++
          pop: true
        - match: '\b(typename|{{before_tag}})\b'
          scope: storage.type.objc++
        - include: types
        - include: modifiers-parens
        - include: modifiers
        - include: angle-brackets
        - include: scope:source.c#types
        - match: ','
          scope: punctuation.separator.objc++
        - match: '\.\.\.'
          scope: keyword.operator.variadic.objc++
    - match: \btemplate\b
      scope: storage.type.template.objc++
      push:
        - meta_scope: meta.template.objc++
        # Exit the template scope if we hit some basic invalid characters.
        # This helps when a user is in the middle of typing their template
        # types and prevents re-highlighting the whole file until the next >
        # is found.
        - match: '(?=[{};])'
          pop: true
        - match: '\b({{before_tag}})\b'
          scope: storage.type.objc++
        - include: expressions

  generic-type:
    - match: '(?=(?!template){{path_lookahead}}\s*{{generic_lookahead}}\s*\()'
      push:
        - meta_scope: meta.function-call.objc++
        - match: '(?:(::)\s*)?{{identifier}}\s*(::)\s*'
          scope: variable.function.objc++
          captures:
            1: punctuation.accessor.objc++
            2: punctuation.accessor.objc++
        - match: '(?:(::)\s*)?{{identifier}}'
          scope: variable.function.objc++
          captures:
            1: punctuation.accessor.objc++
        - include: angle-brackets
        - match: '\('
          scope: meta.group.objc++ punctuation.section.group.begin.objc++
          set:
            - meta_scope: meta.function-call.objc++
            - meta_content_scope: meta.group.objc++
            - match: '\)'
              scope: meta.group.objc++ punctuation.section.group.end.objc++
              pop: true
            - include: expressions
    - match: '(?=(?!template){{path_lookahead}}\s*{{generic_lookahead}})'
      push:
        - include: scope:source.c++#identifiers
        - match: '<'
          scope: punctuation.section.generic.begin.objc++
          set:
            - match: '>'
              scope: punctuation.section.generic.end.objc++
              pop: true
            - include: expressions-minus-generic-type-function-call

  angle-brackets:
    - match: '<(?!<)'
      scope: punctuation.section.generic.begin.objc++
      push:
        - match: '>'
          scope: punctuation.section.generic.end.objc++
          pop: true
        - include: expressions-minus-generic-type-function-call

  block:
    - match: '\{'
      scope: punctuation.section.block.begin.objc++
      push:
        - meta_scope: meta.block.objc++
        - match: (?=^\s*#\s*(elif|else|endif)\b)
          pop: true
        - match: '\}'
          scope: punctuation.section.block.end.objc++
          pop: true
        - include: statements

  function-call:
    - match: (?={{path_lookahead}}\s*\()
      push:
        - meta_scope: meta.function-call.objc++
        - include: scope:source.c#c99
        - match: '(?:(::)\s*)?{{identifier}}\s*(::)\s*'
          scope: variable.function.objc++
          captures:
            1: punctuation.accessor.objc++
            2: punctuation.accessor.objc++
        - match: '(?:(::)\s*)?{{identifier}}'
          scope: variable.function.objc++
          captures:
            1: punctuation.accessor.objc++
        - match: '\('
          scope: meta.group.objc++ punctuation.section.group.begin.objc++
          set:
            - meta_scope: meta.function-call.objc++
            - meta_content_scope: meta.group.objc++
            - match: '\)'
              scope: meta.group.objc++ punctuation.section.group.end.objc++
              pop: true
            - include: expressions

  members:
    - match: '(\.|->)(~?{{identifier}})(?=\s*\()'
      scope: meta.method-call.objc++
      captures:
        1: punctuation.accessor.objc++
        2: variable.function.member.objc++
      push:
        - meta_content_scope: meta.method-call.objc++
        - match: '\('
          scope: meta.group.objc++ punctuation.section.group.begin.objc++
          set:
            - meta_content_scope: meta.method-call.objc++ meta.group.objc++
            - match: '\)'
              scope: meta.method-call.objc++ meta.group.objc++ punctuation.section.group.end.objc++
              pop: true
            - include: expressions
    - match: '(\.|->)({{identifier}})(?!\s*\()'
      captures:
        1: punctuation.accessor.objc++
        2: variable.other.readwrite.member.objc++

  typedef:
    - match: \btypedef\b
      scope: storage.type.objc++
      push:
        - match: ({{identifier}})?\s*(?=;)
          captures:
            1: entity.name.type.typedef.objc++
          pop: true
        - match: \b(struct)\s+({{identifier}})\b
          captures:
            1: storage.type.objc++
        - include: expressions-minus-generic-type

  parens:
    - match: \(
      scope: punctuation.section.group.begin.objc++
      push:
        - meta_scope: meta.group.objc++
        - match: \)
          scope: punctuation.section.group.end.objc++
          pop: true
        - include: expressions

  brackets:
    - match: \[
      scope: punctuation.section.brackets.begin.objc++
      push:
        - meta_scope: meta.brackets.objc++
        - match: \]
          scope: punctuation.section.brackets.end.objc++
          pop: true
        - include: expressions

  function-trailing-return-type:
    - match: '{{non_angle_brackets}}'
      pop: true
    - include: angle-brackets
    - include: types
    - include: modifiers-parens
    - include: modifiers
    - include: scope:source.c++#identifiers
    - match: \*|&
      scope: keyword.operator.objc++
    - include: function-trailing-return-type-parens
    - match: '(?=\S)'
      pop: true

  function-trailing-return-type-parens:
    - match: \(
      scope: meta.group.objc++ punctuation.section.group.begin.objc++
      push:
        - meta_scope: meta.group.objc++
        - match: \)
          scope: punctuation.section.group.end.objc++
          pop: true
        - include: function-trailing-return-type

  ## Detection of function and data structure definitions at the global level

  global-modifier:
    - include: comments
    - include: modifiers-parens
    - include: modifiers
    # Constructors and destructors don't have a type
    - match: '(?={{path_lookahead}}\s*::\s*{{identifier}}\s*(\(|$))'
      set:
        - meta_content_scope: meta.function.objc++ entity.name.function.constructor.objc++
        - include: scope:source.c++#identifiers
        - match: '(?=[^\w\s])'
          set: function-definition-params
    - match: '(?={{path_lookahead}}\s*::\s*~{{identifier}}\s*(\(|$))'
      set:
        - meta_content_scope: meta.function.objc++ entity.name.function.destructor.objc++
        - include: scope:source.c++#identifiers
        - match: '~{{identifier}}'
        - match: '(?=[^\w\s])'
          set: function-definition-params
    # If we see a path ending in :: before a newline, we don't know if it is
    # a constructor or destructor, or a long return type, so we are just going
    # to treat it like a regular function. Most likely it is a constructor,
    # since it doesn't seem most developers would create such a long typename.
    - match: '(?={{path_lookahead}}\s*::\s*$)'
      set:
        - meta_content_scope: meta.function.c++ entity.name.function.c++
        - include: scope:source.c++#identifiers
        - match: '~{{identifier}}'
        - match: '(?=[^\w\s])'
          set: function-definition-params
    - match: '(?=\S)'
      set: global-type

  global-type:
    - include: comments
    - match: \*|&
      scope: keyword.operator.objc++
    - match: '(?=\b({{control_keywords}}|{{operator_keywords}}|{{casts}}|{{memory_operators}}|{{other_keywords}}|operator)\b)'
      pop: true
    - match: '(?=\s)'
      set: global-maybe-function
    # If a class/struct/enum followed by a name that is not a macro or declspec
    # then this is likely a return type of a function. This is uncommon.
    - match: |-
        (?x:
          ({{before_tag}})
          \s+
          (?=
            (?![[:upper:][:digit:]_]+\b|__declspec|{{before_tag}})
            {{path_lookahead}}
            (\s+{{identifier}}\s*\(|\s*[*&])
          )
        )
      captures:
        1: storage.type.objc++
      set:
        - include: scope:source.c++#identifiers
        - match: ''
          set: global-maybe-function
    # The previous match handles return types of struct/enum/etc from a func,
    # there this one exits the context to allow matching an actual struct/class
    - match: '(?=\b({{before_tag}})\b)'
      set: data-structures
    - match: '(?=\b({{casts}})\b\s*<)'
      pop: true
    - match: '{{non_angle_brackets}}'
      pop: true
    - include: angle-brackets
    - include: types
    # Allow a macro call
    - match: '({{identifier}})\s*(\()(?=[^\)]+\))'
      captures:
        1: variable.function.objc++
        2: meta.group.objc++ punctuation.section.group.begin.objc++
      push:
        - meta_scope: meta.function-call.objc++
        - meta_content_scope: meta.group.objc++
        - match: '\)'
          scope: meta.group.objc++ punctuation.section.group.end.objc++
          pop: true
        - include: expressions
    - match: '(?={{path_lookahead}}\s*\()'
      set:
        - include: function-call
        - match: ''
          pop: true
    - include: variables
    - include: constants
    - include: scope:source.c++#identifiers
    - match: (?=\W)
      pop: true

  global-maybe-function:
    - include: comments
    # Consume pointer info, macros and any type info that was offset by macros
    - match: \*|&
      scope: keyword.operator.objc++
    - match: '(?=\b({{control_keywords}}|{{operator_keywords}}|{{casts}}|{{memory_operators}}|{{other_keywords}})\b)'
      pop: true
    - match: '\b({{type_qualifier}})\b'
      scope: storage.modifier.objc++
    - match: '{{non_angle_brackets}}'
      pop: true
    - include: angle-brackets
    - include: types
    - include: modifiers-parens
    - include: modifiers
    # All uppercase identifier just before a newline is most likely a macro
    - match: '[[:upper:][:digit:]_]+\s*$'
    # Operator overloading
    - match: '(?=({{path_lookahead}}\s*::\s*)?{{operator_method_name}}\s*(\(|$))'
      set:
        - meta_content_scope: meta.function.objc++ entity.name.function.objc++
        - include: scope:source.c++#identifiers
        - match: '(?=\s*(\(|$))'
          set: function-definition-params
    # Identifier that is not the function name - likely a macro or type
    - match: '(?={{path_lookahead}}([ \t]+|[*&])(?!\s*(<|::|\(|$)))'
      push:
        - include: scope:source.c++#identifiers
        - match: ''
          pop: true
    # Real function definition
    - match: '(?={{path_lookahead}}({{generic_lookahead}}({{path_lookahead}})?)\s*(\(|$))'
      set: [function-definition-params, global-function-identifier-generic]
    - match: '(?={{path_lookahead}}\s*(\(|$))'
      set: [function-definition-params, global-function-identifier]
    - match: '(?={{path_lookahead}}\s*::\s*$)'
      set: [function-definition-params, global-function-identifier]
    - match: '(?=\S)'
      pop: true

  global-function-identifier-generic:
    - include: angle-brackets
    - match: '::'
      scope: punctuation.accessor.objc++
    - match: '(?={{identifier}}<.*>\s*\()'
      push:
        - meta_content_scope: entity.name.function.objc++
        - include: scope:source.c++#identifiers
        - match: '(?=<)'
          pop: true
    - match: '(?={{identifier}}\s*\()'
      push:
        - meta_content_scope: entity.name.function.objc++
        - include: scope:source.c++#identifiers
        - match: ''
          pop: true
    - match: '(?=\()'
      pop: true

  global-function-identifier:
    - meta_content_scope: entity.name.function.objc++
    - include: scope:source.c++#identifiers
    - match: '(?=\S)'
      pop: true

  function-definition-params:
    - meta_content_scope: meta.function.objc++
    - include: comments
    - match: '(?=\()'
      set:
        - match: \(
          scope: meta.function.parameters.objc++ meta.group.objc++ punctuation.section.group.begin.objc++
          set:
            - meta_content_scope: meta.function.parameters.objc++ meta.group.objc++
            - match : \)
              scope: punctuation.section.group.end.objc++
              set: function-definition-continue
            - match: '\bvoid\b'
              scope: storage.type.objc++
            - match: '{{identifier}}(?=\s*(\[|,|\)|=))'
              scope: variable.parameter.objc++
            - match: '='
              scope: keyword.operator.assignment.objc++
              push:
                - match: '(?=,|\))'
                  pop: true
                - include: expressions-minus-generic-type
            - include: expressions-minus-generic-type
    - match: (?=\S)
      pop: true

  function-definition-continue:
    - meta_content_scope: meta.function.objc++
    - include: comments
    - match: '(?=;)'
      pop: true
    - match: '->'
      scope: punctuation.separator.objc++
      set: function-definition-trailing-return
    - include: scope:source.c++#function-specifiers
    - match: '='
      scope: keyword.operator.assignment.objc++
    - match: '&'
      scope: keyword.operator.objc++
    - match: \b0\b
      scope: constant.numeric.objc++
    - match: \b(default|delete)\b
      scope: storage.modifier.objc++
    - match: '(?=\{)'
      set: function-definition-body
    - match: '(?=\S)'
      pop: true

  function-definition-trailing-return:
    - include: comments
    - match: '(?=;)'
      pop: true
    - match: '(?=\{)'
      set: function-definition-body
    - include: scope:source.c++#function-specifiers
    - include: function-trailing-return-type

  function-definition-body:
    - meta_content_scope: meta.function.objc++ meta.block.objc++
    - match: '\{'
      scope: punctuation.section.block.begin.objc++
      set:
        - meta_content_scope: meta.function.objc++ meta.block.objc++
        - match: '\}'
          scope: meta.function.objc++ meta.block.objc++ punctuation.section.block.end.objc++
          pop: true
        - match: (?=^\s*#\s*(elif|else|endif)\b)
          pop: true
        - match: '(?=({{before_tag}})([^(;]+$|.*\{))'
          push: data-structures
        - include: statements

  ## Data structures including classes, structs, unions and enums

  data-structures:
    - match: '\bclass\b'
      scope: storage.type.objc++
      set: data-structures-class-definition
    # Detect variable type definitions using struct/enum/union followed by a tag
    - match: '\b({{before_tag}})(?=\s+{{path_lookahead}}\s+{{path_lookahead}}\s*[=;\[])'
      scope: storage.type.objc++
    - match: '\bstruct\b'
      scope: storage.type.objc++
      set: data-structures-struct-definition
    - match: '\benum(\s+(class|struct))?\b'
      scope: storage.type.objc++
      set: data-structures-enum-definition
    - match: '\bunion\b'
      scope: storage.type.objc++
      set: data-structures-union-definition
    - match: '(?=\S)'
      pop: true

  data-structures-class-definition:
    - meta_scope: meta.class.objc++
    - include: data-structures-definition-common-begin
    # Handle macros so they aren't matched as the class name
    - match: '{{macro_identifier}}(?=\s+{{identifier}})'
    - match: '{{identifier}}(?={{data_structures_forward_decl_lookahead}})'
      scope: entity.name.class.forward-decl.objc++
      set: data-structures-class-definition-after-identifier
    - match: '{{identifier}}'
      scope: entity.name.class.objc++
      set: data-structures-class-definition-after-identifier
    - match: '(?=[:{])'
      set: data-structures-class-definition-after-identifier
    - match: '(?=;)'
      pop: true

  data-structures-class-definition-after-identifier:
    - meta_content_scope: meta.class.objc++
    - include: data-structures-definition-common-begin
    # No matching of identifiers since they should all be macros at this point
    - include: data-structures-definition-common-end
    - match: '\{'
      scope: meta.block.objc++ punctuation.section.block.begin.objc++
      set:
        - meta_content_scope: meta.class.objc++ meta.block.objc++
        - match: '\}'
          scope: meta.class.objc++ meta.block.objc++ punctuation.section.block.end.objc++
          pop: true
        - include: data-structures-body

  data-structures-struct-definition:
    - meta_scope: meta.struct.objc++
    - include: data-structures-definition-common-begin
    # Handle macros so they aren't matched as the struct name
    - match: '{{macro_identifier}}(?=\s+{{identifier}})'
    - match: '{{identifier}}(?={{data_structures_forward_decl_lookahead}})'
      scope: entity.name.struct.forward-decl.objc++
      set: data-structures-struct-definition-after-identifier
    - match: '{{identifier}}'
      scope: entity.name.struct.objc++
      set: data-structures-struct-definition-after-identifier
    - match: '(?=[:{])'
      set: data-structures-struct-definition-after-identifier
    - match: '(?=;)'
      pop: true

  data-structures-struct-definition-after-identifier:
    - meta_content_scope: meta.struct.objc++
    - include: data-structures-definition-common-begin
    # No matching of identifiers since they should all be macros at this point
    - include: data-structures-definition-common-end
    - match: '\{'
      scope: meta.block.objc++ punctuation.section.block.begin.objc++
      set:
        - meta_content_scope: meta.struct.objc++ meta.block.objc++
        - match: '\}'
          scope: meta.struct.objc++ meta.block.objc++ punctuation.section.block.end.objc++
          pop: true
        - include: data-structures-body

  data-structures-enum-definition:
    - meta_scope: meta.enum.objc++
    - include: data-structures-definition-common-begin
    # Handle macros so they aren't matched as the enum name
    - match: '{{macro_identifier}}(?=\s+{{identifier}})'
    - match: '{{identifier}}(?={{data_structures_forward_decl_lookahead}})'
      scope: entity.name.enum.forward-decl.objc++
      set: data-structures-enum-definition-after-identifier
    - match: '{{identifier}}'
      scope: entity.name.enum.objc++
      set: data-structures-enum-definition-after-identifier
    - match: '(?=[:{])'
      set: data-structures-enum-definition-after-identifier
    - match: '(?=;)'
      pop: true

  data-structures-enum-definition-after-identifier:
    - meta_content_scope: meta.enum.objc++
    - include: data-structures-definition-common-begin
    # No matching of identifiers since they should all be macros at this point
    - include: data-structures-definition-common-end
    - match: '\{'
      scope: meta.block.objc++ punctuation.section.block.begin.objc++
      set:
        - meta_content_scope: meta.enum.objc++ meta.block.objc++
        # Enums don't support methods so we have a simplified body
        - match: '\}'
          scope: meta.enum.objc++ meta.block.objc++ punctuation.section.block.end.objc++
          pop: true
        - include: statements

  data-structures-union-definition:
    - meta_scope: meta.union.objc++
    - include: data-structures-definition-common-begin
    # Handle macros so they aren't matched as the union name
    - match: '{{macro_identifier}}(?=\s+{{identifier}})'
    - match: '{{identifier}}(?={{data_structures_forward_decl_lookahead}})'
      scope: entity.name.union.forward-decl.objc++
      set: data-structures-union-definition-after-identifier
    - match: '{{identifier}}'
      scope: entity.name.union.objc++
      set: data-structures-union-definition-after-identifier
    - match: '(?=[{])'
      set: data-structures-union-definition-after-identifier
    - match: '(?=;)'
      pop: true

  data-structures-union-definition-after-identifier:
    - meta_content_scope: meta.union.objc++
    - include: data-structures-definition-common-begin
    # No matching of identifiers since they should all be macros at this point
    # Unions don't support base classes
    - include: angle-brackets
    - match: '\{'
      scope: meta.block.objc++ punctuation.section.block.begin.objc++
      set:
        - meta_content_scope: meta.union.objc++ meta.block.objc++
        - match: '\}'
          scope: meta.union.objc++ meta.block.objc++ punctuation.section.block.end.objc++
          pop: true
        - include: data-structures-body
    - match: '(?=;)'
      pop: true

  data-structures-definition-common-begin:
    - include: comments
    - match: '(?=\b(?:{{before_tag}}|{{control_keywords}})\b)'
      pop: true
    - include: preprocessor-other
    - include: modifiers-parens
    - include: modifiers

  data-structures-definition-common-end:
    - include: angle-brackets
    - match: ':'
      scope: punctuation.separator.objc++
      push:
        - include: comments
        - include: preprocessor-other
        - include: modifiers-parens
        - include: modifiers
        - match: '\b(virtual|{{visibility_modifiers}})\b'
          scope: storage.modifier.objc++
        - match: (?={{path_lookahead}})
          push:
            - meta_scope: entity.other.inherited-class.objc++
            - include: scope:source.c++#identifiers
            - match: ''
              pop: true
        - include: angle-brackets
        - match: ','
          scope: punctuation.separator.objc++
        - match: (?=\{|;)
          pop: true
    - match: '(?=;)'
      pop: true

  data-structures-body:
    - include: preprocessor-data-structures
    - match: '(?=\btemplate\b)'
      push:
        - include: template
        - match: (?=\S)
          set: data-structures-modifier
    - include: typedef
    - match: \b({{visibility_modifiers}})\s*(:)(?!:)
      captures:
        1: storage.modifier.objc++
        2: punctuation.section.class.objc++
    - match: '^\s*(?=~?\w+)'
      push: data-structures-modifier
    - include: preprocessor-expressions
    - include: expressions-minus-generic-type

  data-structures-modifier:
    - match: '\bfriend\b'
      scope: storage.modifier.objc++
      push:
        - match: (?=;)
          pop: true
        - match: '\{'
          scope: punctuation.section.block.begin.objc++
          set:
            - meta_scope: meta.block.objc++
            - match: '\}'
              scope: punctuation.section.block.end.objc++
              pop: true
            - include: statements
        - match: '\b({{before_tag}})\b'
          scope: storage.type.objc++
        - include: expressions-minus-function-call
    - include: comments
    - include: modifiers-parens
    - include: modifiers
    # Destructor
    - match: '(?:{{identifier}}\s*(::)\s*)?~{{identifier}}(?=\s*(\(|$))'
      scope: meta.method.destructor.objc++ entity.name.function.destructor.objc++
      captures:
        1: punctuation.accessor.objc++
      set: method-definition-params
    # It's a macro, not a constructor if there is no type in the first param
    - match: '({{identifier}})\s*(\()(?=\s*(?!void){{identifier}}\s*[),])'
      captures:
        1: variable.function.objc++
        2: meta.group.objc++ punctuation.section.group.begin.objc++
      push:
        - meta_scope: meta.function-call.objc++
        - meta_content_scope: meta.group.objc++
        - match: '\)'
          scope: meta.group.objc++ punctuation.section.group.end.objc++
          pop: true
        - include: expressions
    # Constructor
    - match: '((?!{{before_tag}}|template){{identifier}})(?=\s*\()'
      scope: meta.method.constructor.objc++ entity.name.function.constructor.objc++
      set: method-definition-params
    # Long form constructor
    - match: '({{identifier}}\s*(::)\s*{{identifier}})(?=\s*\()'
      captures:
        1: meta.method.constructor.objc++ entity.name.function.constructor.objc++
        2: punctuation.accessor.objc++
      push: method-definition-params
    - match: '(?=\S)'
      set: data-structures-type

  data-structures-type:
    - include: comments
    - match: \*|&
      scope: keyword.operator.objc++
      # Cast methods
    - match: '(operator)\s+({{identifier}})(?=\s*(\(|$))'
      captures:
        1: keyword.control.objc++
        2: meta.method.objc++ entity.name.function.objc++
      set: method-definition-params
    - match: '(?=\b({{control_keywords}}|{{operator_keywords}}|{{casts}}|{{memory_operators}}|{{other_keywords}}|operator)\b)'
      pop: true
    - match: '(?=\s)'
      set: data-structures-maybe-method
    # If a class/struct/enum followed by a name that is not a macro or declspec
    # then this is likely a return type of a function. This is uncommon.
    - match: |-
        (?x:
          ({{before_tag}})
          \s+
          (?=
            (?![[:upper:][:digit:]_]+\b|__declspec|{{before_tag}})
            {{path_lookahead}}
            (\s+{{identifier}}\s*\(|\s*[*&])
          )
        )
      captures:
        1: storage.type.objc++
      set:
        - include: scope:source.c++#identifiers
        - match: ''
          set: data-structures-maybe-method
    # The previous match handles return types of struct/enum/etc from a func,
    # there this one exits the context to allow matching an actual struct/class
    - match: '(?=\b({{before_tag}})\b)'
      set: data-structures
    - match: '(?=\b({{casts}})\b\s*<)'
      pop: true
    - match: '{{non_angle_brackets}}'
      pop: true
    - include: angle-brackets
    - include: types
    - include: variables
    - include: constants
    - include: scope:source.c++#identifiers
    - match: (?=[&*])
      set: data-structures-maybe-method
    - match: (?=\W)
      pop: true

  data-structures-maybe-method:
    - include: comments
    # Consume pointer info, macros and any type info that was offset by macros
    - match: \*|&
      scope: keyword.operator.objc++
    - match: '(?=\b({{control_keywords}}|{{operator_keywords}}|{{casts}}|{{memory_operators}}|{{other_keywords}})\b)'
      pop: true
    - match: '\b({{type_qualifier}})\b'
      scope: storage.modifier.objc++
    - match: '{{non_angle_brackets}}'
      pop: true
    - include: angle-brackets
    - include: types
    - include: modifiers-parens
    - include: modifiers
    # Operator overloading
    - match: '{{operator_method_name}}(?=\s*(\(|$))'
      scope: meta.method.objc++ entity.name.function.objc++
      set: method-definition-params
    # Identifier that is not the function name - likely a macro or type
    - match: '(?={{path_lookahead}}([ \t]+|[*&])(?!\s*(<|::|\()))'
      push:
        - include: scope:source.c++#identifiers
        - match: ''
          pop: true
    # Real function definition
    - match: '(?={{path_lookahead}}({{generic_lookahead}})\s*(\())'
      set: [method-definition-params, data-structures-function-identifier-generic]
    - match: '(?={{path_lookahead}}\s*(\())'
      set: [method-definition-params, data-structures-function-identifier]
    - match: '(?={{path_lookahead}}\s*::\s*$)'
      set: [method-definition-params, data-structures-function-identifier]
    - match: '(?=\S)'
      pop: true

  data-structures-function-identifier-generic:
    - include: angle-brackets
    - match: '(?={{identifier}})'
      push:
        - meta_content_scope: entity.name.function.objc++
        - include: scope:source.c++#identifiers
        - match: '(?=<)'
          pop: true
    - match: '(?=\()'
      pop: true

  data-structures-function-identifier:
    - meta_content_scope: entity.name.function.objc++
    - include: scope:source.c++#identifiers
    - match: '(?=\S)'
      pop: true

  method-definition-params:
    - meta_content_scope: meta.method.objc++
    - include: comments
    - match: '(?=\()'
      set:
        - match: \(
          scope: meta.method.parameters.objc++ meta.group.objc++ punctuation.section.group.begin.objc++
          set:
            - meta_content_scope: meta.method.parameters.objc++ meta.group.objc++
            - match : \)
              scope: punctuation.section.group.end.objc++
              set: method-definition-continue
            - match: '\bvoid\b'
              scope: storage.type.objc++
            - match: '{{identifier}}(?=\s*(\[|,|\)|=))'
              scope: variable.parameter.objc++
            - match: '='
              scope: keyword.operator.assignment.objc++
              push:
                - match: '(?=,|\))'
                  pop: true
                - include: expressions-minus-generic-type
            - include: expressions-minus-generic-type
    - match: '(?=\S)'
      pop: true

  method-definition-continue:
    - meta_content_scope: meta.method.objc++
    - include: comments
    - match: '(?=;)'
      pop: true
    - match: '->'
      scope: punctuation.separator.objc++
      set: method-definition-trailing-return
    - include: scope:source.c++#function-specifiers
    - match: '='
      scope: keyword.operator.assignment.objc++
    - match: '&'
      scope: keyword.operator.objc++
    - match: \b0\b
      scope: constant.numeric.objc++
    - match: \b(default|delete)\b
      scope: storage.modifier.objc++
    - match: '(?=:)'
      set:
        - match: ':'
          scope: punctuation.separator.initializer-list.objc++
          set:
            - meta_scope: meta.method.constructor.initializer-list.objc++
            - match: '(?=\{|;)'
              set: method-definition-continue
            - match: '({{identifier}})\s*(\()'
              captures:
                1: variable.other.readwrite.member.objc++
                2: meta.group.objc++ punctuation.section.group.begin.objc++
              push:
                - meta_content_scope: meta.group.objc++
                - match: \)
                  scope: meta.group.objc++ punctuation.section.group.end.objc++
                  pop: true
                - include: expressions
            - include: expressions
    - match: '(?=\{)'
      set: method-definition-body
    - match: '(?=\S)'
      pop: true

  method-definition-trailing-return:
    - include: comments
    - match: '(?=;)'
      pop: true
    - match: '(?=\{)'
      set: method-definition-body
    - include: scope:source.c++#function-specifiers
    - include: function-trailing-return-type

  method-definition-body:
    - meta_content_scope: meta.method.objc++ meta.block.objc++
    - match: '\{'
      scope: punctuation.section.block.begin.objc++
      set:
        - meta_content_scope: meta.method.objc++ meta.block.objc++
        - match: '\}'
          scope: meta.method.objc++ meta.block.objc++ punctuation.section.block.end.objc++
          pop: true
        - match: (?=^\s*#\s*(elif|else|endif)\b)
          pop: true
        - match: '(?=({{before_tag}})([^(;]+$|.*\{))'
          push: data-structures
        - include: statements

  ## Preprocessor for data-structures

  preprocessor-data-structures:
    - include: preprocessor-rule-enabled-data-structures
    - include: preprocessor-rule-disabled-data-structures

  preprocessor-rule-disabled-data-structures:
    - match: ^\s*((#if)\s+(0))\b
      captures:
        1: meta.preprocessor.objc++
        2: keyword.control.import.objc++
        3: constant.numeric.preprocessor.objc++
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.objc++
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.else.objc++
          push:
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: negated-block
            - include: data-structures-body
        - match: ""
          push:
            - meta_scope: comment.block.preprocessor.if-branch.objc++
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: scope:source.c#preprocessor-disabled

  preprocessor-rule-enabled-data-structures:
    - match: ^\s*((#if)\s+(0*1))\b
      captures:
        1: meta.preprocessor.objc++
        2: keyword.control.import.objc++
        3: constant.numeric.preprocessor.objc++
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.objc++
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.else.objc++
          push:
            - meta_content_scope: comment.block.preprocessor.else-branch.objc++
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: scope:source.c#preprocessor-disabled
        - match: ""
          push:
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: negated-block
            - include: data-structures-body

  ## Preprocessor for global

  preprocessor-global:
    - include: preprocessor-rule-enabled-global
    - include: preprocessor-rule-disabled-global
    - include: preprocessor-rule-other-global

  preprocessor-statements:
    - include: preprocessor-rule-enabled-statements
    - include: preprocessor-rule-disabled-statements
    - include: preprocessor-rule-other-statements

  preprocessor-expressions:
    - include: scope:source.c#incomplete-inc
    - include: preprocessor-macro-define
    - include: scope:source.c#pragma-mark
    - include: preprocessor-other

  preprocessor-rule-disabled-global:
    - match: ^\s*((#if)\s+(0))\b
      captures:
        1: meta.preprocessor.objc++
        2: keyword.control.import.objc++
        3: constant.numeric.preprocessor.objc++
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.objc++
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.else.objc++
          push:
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: preprocessor-global
            - include: negated-block
            - include: global
        - match: ""
          push:
            - meta_scope: comment.block.preprocessor.if-branch.objc++
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: scope:source.c#preprocessor-disabled

  preprocessor-rule-enabled-global:
    - match: ^\s*((#if)\s+(0*1))\b
      captures:
        1: meta.preprocessor.objc++
        2: keyword.control.import.objc++
        3: constant.numeric.preprocessor.objc++
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.objc++
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.else.objc++
          push:
            - meta_content_scope: comment.block.preprocessor.else-branch.objc++
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: scope:source.c#preprocessor-disabled
        - match: ""
          push:
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: preprocessor-global
            - include: negated-block
            - include: global

  preprocessor-rule-other-global:
    - match: ^\s*(#\s*(?:if|ifdef|ifndef))\b
      captures:
        1: keyword.control.import.objc++
      push:
        - meta_scope: meta.preprocessor.objc++
        - include: scope:source.c#preprocessor-line-continuation
        - include: scope:source.c#preprocessor-comments
        - match: \bdefined\b
          scope: keyword.control.objc++
        # Enter a new scope where all elif/else branches have their
        # contexts popped by a subsequent elif/else/endif. This ensures that
        # preprocessor branches don't push multiple meta.block scopes on
        # the stack, thus messing up the "global" context's detection of
        # functions.
        - match: $\n
          set: preprocessor-if-branch-global

  # These gymnastics here ensure that we are properly handling scope even
  # when the preprocessor is used to create different scope beginnings, such
  # as a different if/while condition
  preprocessor-if-branch-global:
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.objc++ keyword.control.import.objc++
      pop: true
    - match: (?=^\s*#\s*(elif|else)\b)
      push: preprocessor-elif-else-branch-global
    - match: \{
      scope: punctuation.section.block.begin.objc++
      set: preprocessor-block-if-branch-global
    - include: preprocessor-global
    - include: negated-block
    - include: global

  preprocessor-block-if-branch-global:
    - meta_scope: meta.block.objc++
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.objc++ keyword.control.import.objc++
      set: preprocessor-block-finish-global
    - match: (?=^\s*#\s*(elif|else)\b)
      push: preprocessor-elif-else-branch-global
    - match: \}
      scope: punctuation.section.block.end.objc++
      set: preprocessor-if-branch-global
    - include: statements

  preprocessor-block-finish-global:
    - meta_scope: meta.block.objc++
    - match: ^\s*(#\s*(?:if|ifdef|ifndef))\b
      captures:
        1: meta.preprocessor.objc++ keyword.control.import.objc++
      set: preprocessor-block-finish-if-branch-global
    - match: \}
      scope: punctuation.section.block.end.objc++
      pop: true
    - include: statements

  preprocessor-block-finish-if-branch-global:
    - match: ^\s*(#\s*endif)\b
      captures:
        1: keyword.control.import.objc++
      pop: true
    - match: \}
      scope: punctuation.section.block.end.objc++
      set: preprocessor-if-branch-global
    - include: statements

  preprocessor-elif-else-branch-global:
    - match: (?=^\s*#\s*(endif)\b)
      pop: true
    - include: preprocessor-global
    - include: negated-block
    - include: global

  ## Preprocessor for statements

  preprocessor-rule-disabled-statements:
    - match: ^\s*((#if)\s+(0))\b
      captures:
        1: meta.preprocessor.objc++
        2: keyword.control.import.objc++
        3: constant.numeric.preprocessor.objc++
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.objc++
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.else.objc++
          push:
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: negated-block
            - include: statements
        - match: ""
          push:
            - meta_scope: comment.block.preprocessor.if-branch.objc++
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: scope:source.c#preprocessor-disabled

  preprocessor-rule-enabled-statements:
    - match: ^\s*((#if)\s+(0*1))\b
      captures:
        1: meta.preprocessor.objc++
        2: keyword.control.import.objc++
        3: constant.numeric.preprocessor.objc++
      push:
        - match: ^\s*(#\s*endif)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.objc++
          pop: true
        - match: ^\s*(#\s*else)\b
          captures:
            1: meta.preprocessor.objc++ keyword.control.import.else.objc++
          push:
            - meta_content_scope: comment.block.preprocessor.else-branch.objc++
            - match: (?=^\s*#\s*endif\b)
              pop: true
            - include: scope:source.c#preprocessor-disabled
        - match: ""
          push:
            - match: (?=^\s*#\s*(else|endif)\b)
              pop: true
            - include: negated-block
            - include: statements

  preprocessor-rule-other-statements:
    - match: ^\s*(#\s*(?:if|ifdef|ifndef))\b
      captures:
        1: keyword.control.import.objc++
      push:
        - meta_scope: meta.preprocessor.objc++
        - include: scope:source.c#preprocessor-line-continuation
        - include: scope:source.c#preprocessor-comments
        - match: \bdefined\b
          scope: keyword.control.objc++
        # Enter a new scope where all elif/else branches have their
        # contexts popped by a subsequent elif/else/endif. This ensures that
        # preprocessor branches don't push multiple meta.block scopes on
        # the stack, thus messing up the "global" context's detection of
        # functions.
        - match: $\n
          set: preprocessor-if-branch-statements

  # These gymnastics here ensure that we are properly handling scope even
  # when the preprocessor is used to create different scope beginnings, such
  # as a different if/while condition
  preprocessor-if-branch-statements:
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.objc++ keyword.control.import.objc++
      pop: true
    - match: (?=^\s*#\s*(elif|else)\b)
      push: preprocessor-elif-else-branch-statements
    - match: \{
      scope: punctuation.section.block.begin.objc++
      set: preprocessor-block-if-branch-statements
    - match: (?=(?!{{non_func_keywords}}){{path_lookahead}}\s*\()
      set: preprocessor-if-branch-function-call
    - include: negated-block
    - include: statements

  preprocessor-if-branch-function-call:
    - meta_content_scope: meta.function-call.objc++
    - include: scope:source.c#c99
    - match: '(?:(::)\s*)?{{identifier}}\s*(::)\s*'
      scope: variable.function.objc++
      captures:
        1: punctuation.accessor.objc++
        2: punctuation.accessor.objc++
    - match: '(?:(::)\s*)?{{identifier}}'
      scope: variable.function.objc++
      captures:
        1: punctuation.accessor.objc++
    - match: '\('
      scope: meta.group.objc++ punctuation.section.group.begin.objc++
      set: preprocessor-if-branch-function-call-arguments

  preprocessor-if-branch-function-call-arguments:
    - meta_content_scope: meta.function-call.objc++ meta.group.objc++
    - match : \)
      scope: meta.function-call.objc++ meta.group.objc++ punctuation.section.group.end.objc++
      set: preprocessor-if-branch-statements
    - match: ^\s*(#\s*(?:elif|else))\b
      captures:
        1: meta.preprocessor.objc++ keyword.control.import.objc++
      set: preprocessor-if-branch-statements
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.objc++ keyword.control.import.objc++
      set: preprocessor-if-branch-function-call-arguments-finish
    - include: expressions

  preprocessor-if-branch-function-call-arguments-finish:
    - meta_content_scope: meta.function-call.objc++ meta.group.objc++
    - match: \)
      scope: meta.function-call.objc++ meta.group.objc++ punctuation.section.group.end.objc++
      pop: true
    - include: expressions

  preprocessor-block-if-branch-statements:
    - meta_scope: meta.block.objc++
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.objc++ keyword.control.import.objc++
      set: preprocessor-block-finish-statements
    - match: (?=^\s*#\s*(elif|else)\b)
      push: preprocessor-elif-else-branch-statements
    - match: \}
      scope: punctuation.section.block.end.objc++
      set: preprocessor-if-branch-statements
    - include: statements

  preprocessor-block-finish-statements:
    - meta_scope: meta.block.objc++
    - match: ^\s*(#\s*(?:if|ifdef|ifndef))\b
      captures:
        1: meta.preprocessor.objc++ keyword.control.import.objc++
      set: preprocessor-block-finish-if-branch-statements
    - match: \}
      scope: punctuation.section.block.end.objc++
      pop: true
    - include: statements

  preprocessor-block-finish-if-branch-statements:
    - match: ^\s*(#\s*endif)\b
      captures:
        1: keyword.control.import.objc++
      pop: true
    - match: \}
      scope: meta.block.objc++ punctuation.section.block.end.objc++
      set: preprocessor-if-branch-statements
    - include: statements

  preprocessor-elif-else-branch-statements:
    - match: (?=^\s*#\s*endif\b)
      pop: true
    - include: negated-block
    - include: statements

  ## Preprocessor other

  negated-block:
    - match: '\}'
      scope: punctuation.section.block.end.objc++
      push:
        - match: '\{'
          scope: punctuation.section.block.begin.objc++
          pop: true
        - match: (?=^\s*#\s*(elif|else|endif)\b)
          pop: true
        - include: statements

  preprocessor-macro-define:
    - match: ^\s*(\#\s*define)\b
      captures:
        1: meta.preprocessor.macro.objc++ keyword.control.import.define.objc++
      push:
        - meta_content_scope: meta.preprocessor.macro.objc++
        - include: scope:source.c#preprocessor-line-continuation
        - include: scope:source.c#preprocessor-line-ending
        - include: scope:source.c#preprocessor-comments
        - match: '({{identifier}})(?=\()'
          scope: entity.name.function.preprocessor.objc++
          set:
            - match: '\('
              scope: punctuation.section.group.begin.objc++
              set: preprocessor-macro-params
        - match: '{{identifier}}'
          scope: entity.name.constant.preprocessor.objc++
          set: preprocessor-macro-definition

  preprocessor-macro-params:
    - meta_scope: meta.preprocessor.macro.parameters.objc++ meta.group.objc++
    - match: '{{identifier}}'
      scope: variable.parameter.objc++
    - match: \)
      scope: punctuation.section.group.end.objc++
      set: preprocessor-macro-definition
    - match: ','
      scope: punctuation.separator.objc++
      push:
        - match: '{{identifier}}'
          scope: variable.parameter.objc++
          pop: true
        - include: scope:source.c#preprocessor-line-continuation
        - include: scope:source.c#preprocessor-comments
        - match: '\.\.\.'
          scope: keyword.operator.variadic.objc++
        - match: '(?=\))'
          pop: true
        - match: (/\*).*(\*/)
          scope: comment.block.objc++
          captures:
            1: punctuation.definition.comment.objc++
            2: punctuation.definition.comment.objc++
        - match: '\S+'
          scope: invalid.illegal.unexpected-character.objc++
    - include: scope:source.c#preprocessor-line-continuation
    - include: scope:source.c#preprocessor-comments
    - match: '\.\.\.'
      scope: keyword.operator.variadic.objc++
    - match: (/\*).*(\*/)
      scope: comment.block.objc++
      captures:
        1: punctuation.definition.comment.objc++
        2: punctuation.definition.comment.objc++
    - match: $\n
      scope: invalid.illegal.unexpected-end-of-line.objc++

  preprocessor-macro-definition:
    - meta_content_scope: meta.preprocessor.macro.objc++
    - include: scope:source.c#preprocessor-line-continuation
    - include: scope:source.c#preprocessor-line-ending
    - include: scope:source.c#preprocessor-comments
    # Don't define blocks in define statements
    - match: '\{'
      scope: punctuation.section.block.begin.objc++
    - match: '\}'
      scope: punctuation.section.block.end.objc++
    - include: expressions

  preprocessor-other:
    - match: ^\s*(#\s*(?:if|ifdef|ifndef|elif|else|line|pragma|undef))\b
      captures:
        1: keyword.control.import.objc++
      push:
        - meta_scope: meta.preprocessor.objc++
        - include: scope:source.c#preprocessor-line-continuation
        - include: scope:source.c#preprocessor-line-ending
        - include: scope:source.c#preprocessor-comments
        - match: \bdefined\b
          scope: keyword.control.objc++
    - match: ^\s*(#\s*endif)\b
      captures:
        1: meta.preprocessor.objc++ keyword.control.import.objc++
    - match: ^\s*(#\s*(?:error|warning))\b
      captures:
        1: keyword.control.import.error.objc++
      push:
        - meta_scope: meta.preprocessor.diagnostic.objc++
        - include: scope:source.c#preprocessor-line-continuation
        - include: scope:source.c#preprocessor-line-ending
        - include: scope:source.c#preprocessor-comments
        - include: strings
        - match: '\S+'
          scope: string.unquoted.objc++
    - match: ^\s*(#\s*(?:include|include_next|import))\b
      captures:
        1: keyword.control.import.include.objc++
      push:
        - meta_scope: meta.preprocessor.include.objc++
        - include: scope:source.c#preprocessor-line-continuation
        - include: scope:source.c#preprocessor-line-ending
        - include: scope:source.c#preprocessor-comments
        - match: '"'
          scope: punctuation.definition.string.begin.objc++
          push:
            - meta_scope: string.quoted.double.include.objc++
            - match: '"'
              scope: punctuation.definition.string.end.objc++
              pop: true
        - match: <
          scope: punctuation.definition.string.begin.objc++
          push:
            - meta_scope: string.quoted.other.lt-gt.include.objc++
            - match: '>'
              scope: punctuation.definition.string.end.objc++
              pop: true